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    <meta charset="UTF-8">
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    <title>Document</title>
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<body>
    <script>
        // 数组转化为字符串
        // 1. toString() 将数组转化为字符串

        var arr = [1, 22, 3, 4, 55, '项羽', '吕布'];
        var result = arr.toString()

        console.log(result);


        // 2. join (分隔符)
        console.log(arr.join());
        console.log(arr.join('-'));

    </script>
</body>

</html>